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Questions tagged [d-bus]

A message bus system, a simple way for inter-process communication. It also helps coordinate process lifecycle.

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A list of available D-Bus services

Is there such a thing as list of available D-Bus services? I've stumbled upon a few, like those provided by NetworkManager, Rhythmbox, Skype, HAL. I wonder if I can find a rather complete list of provided services/interfaces.
madfriend
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What is D-Bus practically useful for?

dbus is supposed to provide "a simple way for applications to talk to one another". But I am still not sure what it is useful for, practically. I have never seen a situation where dbus is useful, I only see warnings that some dbus component has…
400 the Cat
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Is it OK to change /etc/machine-id?

I cloned a disk (SSD) and put the cloned disk into another machine. Now both systems have the same value in /etc/machine-id. Is it any problem to simply edit /etc/machine-id to change the value? Can I do this while the system is running (or do I…
MountainX
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dbus: [system] Failed to activate service 'org.freedesktop.login1': timed out

I keep getting the following error messages in the syslog of one of my servers: # tail /var/log/syslog Oct 29 13:48:40 myserver dbus[19617]: [system] Failed to activate service 'org.freedesktop.login1': timed out Oct 29 13:48:40 myserver…
lathspell
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X, Xorg and D-Bus: what is the difference?

In the process of learning to do certain things in GUI programming (e.g., reserving space on the screen for an application), I have to learn more about the Window Manager, usually X11 on Linux (I'm not sure whether there even are distro's, which use…
neydroydrec
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How to list all object paths under a dbus service?

This is a follow-up question to A list of available DBus services. The following python code will list all available DBus services. import dbus for service in dbus.SystemBus().list_names(): print(service) How do we list out the object paths…
user768421
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Why do I need dbus?

I recently removed dbus from my system (along with consolekit and polkit). I didn't notice any change (I was running it as system daemon and per-user from .xinitrc). However, many people claim that one just need dbus, most of linux applications are…
eregus
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Getting dbind-WARNING's about registering with the accessibility bus

When I run X apps from the command-line (e.g. leafpad; most apps), I receive the following warning on the console: ... dbind-WARNING **: ... Couldn't register with accessibility bus: Did not receive a reply. Possible causes include: the remote…
einpoklum
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Reuse D-Bus sessions across login sessions

I access a machine through multiple login sessions. The sessions' lifetimes may or may not overlap. In my case, these login sessions are currently always over SSH, but I would prefer to handle local sessions too. I sometimes need D-Bus in these…
Gilles 'SO- stop being evil'
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Run a dbus program in crontab , how to know about the SESSION id?

I need to run some program within crontab , but how can the program know about dbus session id ? it's only available for programs launched by session managers.
daisy
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Documentation: Architecture of Linux Session

I'm looking for a good overview documentation describing the the stack of daemons and services involved in a modern Linux session. Although having read various documentation about dbus, and systemd, I still don't get the big picture. In particular,…
stefan
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How do you enable the secret-tool command (backed by gnome-keyring, libsecret and dbus) in a headless CentOS Docker container?

I'm trying to use the secret-tool command to store a secret securely in a running headless CentoS 7.5.1804 Docker container, but can't seem to find which packages and/or configuration is necessary to make this work successfully. Specifically, I want…
Les Hazlewood
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D-Bus authentication and authorization

I'm trying to set up remote access to D-Bus, and I don't understand how authentication and authorization are (not) working. I have a D-Bus server listening on an abstract socket. $ echo $DBUS_SESSION_BUS_ADDRESS…
Gilles 'SO- stop being evil'
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gnome-keyring usage without an x session

My use case is that I have a headless server that software development is performed on. I ussually enable X11 forwarding for the SSH connections to it, but I can't for distant locations with slow connections. I need secure storage and caching for…
mtalexan
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How to allow non-root systemd service to use dbus for BLE operation

I’ve been prototyping a BLE peripheral running as root on a small raspberry like board. Now I’m hardening things and partitioning the BLE app to a non-root user. So I've changed my systemd service file for the app to look…
Travis Griggs
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